*{margin: 0; padding: 0; line-height: 22px; font-family: "Arial", "微软雅黑";}
#chat{margin: 3px auto 0 auto; width:436px; border: 1px #999999 solid;}
.chatBody{width: 100%; height: 220px; overflow:auto;}
.chatText{border: none; width: 100%; height: 50px;}
.btn{text-align: right;}
.btn span{display: inline-block; padding: 0 10px; height: 25px;
    overflow: hidden; color: #ffffff; border-radius: 5px; background-color: #069dd5; font-size: 12px; margin-right: 3px; cursor:pointer;}

dt,dd{
    float: left;
}
dd{
    margin-left: 10px;
}
dd.title{
    color: #069dd5;
    width: 80%;
}
dd.text{
    width: 80%;
    background: #ccc;
}
dl{
    clear: both;
}